fix api server

api/server.js

@@ -38,6 +38,25 @@ const transporter = nodemailer.createTransport({
     user: process.env.EMAIL_USER || '', // 发送方邮箱
     pass: process.env.EMAIL_PASS || '', // 授权码或密码
   },
+  // 增加连接超时设置
+  connectionTimeout: 10000, // 10秒连接超时
+  greetingTimeout: 10000,  // 10秒问候超时
+  socketTimeout: 15000,    // 15秒socket超时
+  // 增加重试选项
+  pool: true,              // 使用连接池
+  maxConnections: 5,       // 最大连接数
+  maxMessages: 100,        // 每个连接最大消息数
+  // 调试选项
+  debug: true,             // 启用调试日志
+});
+
+// 验证传输器连接
+transporter.verify(function(error, success) {
+  if (error) {
+    console.error('SMTP连接验证失败:', error);
+  } else {
+    console.log('SMTP服务器连接成功，准备发送邮件');
+  }
 });
 
 // 存储IP地址最后发送邮件的时间
@@ -72,31 +91,73 @@ app.post('/api/send-email', rateLimitMiddleware, async (req, res) => {
     return res.status(400).json({ error: '请填写所有必填字段' });
   }
 
+  // 邮件选项
+  const mailOptions = {
+    from: `"个人网站联系表单" <${process.env.EMAIL_USER}>`,
+    to: process.env.EMAIL_RECIPIENT || process.env.EMAIL_USER, // 接收方邮箱
+    subject: subject ? `新的联系表单消息: ${subject}` : '新的联系表单消息',
+    html: `
+      <h3>您有一条新的联系表单消息</h3>
+      <p><strong>姓名:</strong> ${name}</p>
+      <p><strong>邮箱:</strong> ${email}</p>
+      <p><strong>主题:</strong> ${subject || '无'}</p>
+      <p><strong>消息:</strong></p>
+      <p>${message.replace(/\n/g, '<br>')}</p>
+    `,
+    // 回复选项，回复时会发送到表单提交者的邮箱
+    replyTo: email
+  };
+
+  // 最大重试次数
+  const maxRetries = 3;
+  let retries = 0;
+  let lastError = null;
+
+  // 重试发送邮件的函数
+  const attemptSendMail = async () => {
+    try {
+      const info = await transporter.sendMail(mailOptions);
+      console.log('邮件发送成功:', info.messageId);
+      return true;
+    } catch (error) {
+      lastError = error;
+      console.error(`发送邮件失败 (尝试 ${retries + 1}/${maxRetries}):`, error);
+      return false;
+    }
+  };
+
   try {
-    // 邮件选项
-    const mailOptions = {
-      from: `"个人网站联系表单" <${process.env.EMAIL_USER}>`,
-      to: process.env.EMAIL_RECIPIENT || process.env.EMAIL_USER, // 接收方邮箱
-      subject: subject ? `新的联系表单消息: ${subject}` : '新的联系表单消息',
-      html: `
-        <h3>您有一条新的联系表单消息</h3>
-        <p><strong>姓名:</strong> ${name}</p>
-        <p><strong>邮箱:</strong> ${email}</p>
-        <p><strong>主题:</strong> ${subject || '无'}</p>
-        <p><strong>消息:</strong></p>
-        <p>${message.replace(/\n/g, '<br>')}</p>
-      `,
-      // 回复选项，回复时会发送到表单提交者的邮箱
-      replyTo: email
-    };
+    // 尝试发送邮件，最多重试maxRetries次
+    let success = false;
+    while (retries < maxRetries && !success) {
+      success = await attemptSendMail();
+      if (!success) {
+        retries++;
+        if (retries < maxRetries) {
+          // 等待一段时间后重试，每次等待时间增加
+          const waitTime = 1000 * retries; // 1秒, 2秒, 3秒...
+          console.log(`等待 ${waitTime}ms 后重试...`);
+          await new Promise(resolve => setTimeout(resolve, waitTime));
+        }
+      }
+    }
 
-    // 发送邮件
-    await transporter.sendMail(mailOptions);
-    
-    return res.status(200).json({ success: true, message: '邮件已成功发送' });
+    if (success) {
+      return res.status(200).json({ success: true, message: '邮件已成功发送' });
+    } else {
+      // 所有重试都失败了
+      console.error('所有重试都失败，最后一个错误:', lastError);
+      return res.status(500).json({ 
+        error: '发送邮件失败，请稍后再试',
+        details: lastError ? lastError.message : '未知错误'
+      });
+    }
   } catch (error) {
-    console.error('发送邮件时出错:', error);
-    return res.status(500).json({ error: '发送邮件失败，请稍后再试' });
+    console.error('发送邮件过程中出现异常:', error);
+    return res.status(500).json({ 
+      error: '发送邮件过程中出现异常',
+      details: error.message
+    });
   }
 });
 

build/asset-manifest.json

@@ -1,15 +1,15 @@
 {
   "files": {
     "main.css": "/static/css/main.e6c13ad2.css",
-    "main.js": "/static/js/main.780215db.js",
+    "main.js": "/static/js/main.411478f7.js",
     "static/js/453.b21437c2.chunk.js": "/static/js/453.b21437c2.chunk.js",
     "index.html": "/index.html",
     "main.e6c13ad2.css.map": "/static/css/main.e6c13ad2.css.map",
-    "main.780215db.js.map": "/static/js/main.780215db.js.map",
+    "main.411478f7.js.map": "/static/js/main.411478f7.js.map",
     "453.b21437c2.chunk.js.map": "/static/js/453.b21437c2.chunk.js.map"
   },
   "entrypoints": [
     "static/css/main.e6c13ad2.css",
-    "static/js/main.780215db.js"
+    "static/js/main.411478f7.js"
   ]
 }

build/index.html

@@ -1 +1 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="/favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1"/><meta name="theme-color" content="#000000"/><meta name="description" content="Web site created using create-react-app"/><link rel="apple-touch-icon" href="/logo192.png"/><link rel="manifest" href="/manifest.json"/><title>React App</title><script defer="defer" src="/static/js/main.780215db.js"></script><link href="/static/css/main.e6c13ad2.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>
+<!doctype html><html lang="en"><head><meta charset="utf-8"/><link rel="icon" href="/favicon.ico"/><meta name="viewport" content="width=device-width,initial-scale=1"/><meta name="theme-color" content="#000000"/><meta name="description" content="Web site created using create-react-app"/><link rel="apple-touch-icon" href="/logo192.png"/><link rel="manifest" href="/manifest.json"/><title>React App</title><script defer="defer" src="/static/js/main.411478f7.js"></script><link href="/static/css/main.e6c13ad2.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>